Thirty-two Mile Creek J

About Thirty-two Mile Creek J

The primary purpose of Thirty-two Mile Creek J is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Little Blue Natural Resources District (local government). It impounds the Tr-thirty-two Mile Creek near Deweese.

The dam stands 37 feet tall and stretches 787 feet across, creates a reservoir covering 48 acres, has a maximum storage capacity of 1,480 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1976, the structure is 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/26/2023.

At 37 feet, this dam is taller than 84% of dams nationwide.

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